cns/nodesubnet/nodesubnet_nc.go

package nodesubnet

import (
	"strconv"

	"github.com/Azure/azure-container-networking/cns"
	"github.com/Azure/azure-container-networking/crd/nodenetworkconfig/api/v1alpha"
)

const (
	// ID for fake NC that we create to store NodeSubnet IPS
	NodeSubnetNCID          = "55022629-3854-499b-7133-5e6887959f4ea" // md5sum of "NodeSubnetNC_IPv4"
	NodeSubnetNCVersion     = 0
	NodeSubnetHostVersion   = "0"
	NodeSubnetNCStatus      = v1alpha.NCUpdateSuccess
	NodeSubnetHostPrimaryIP = ""
)

// CreateNodeSubnetNCRequest generates a CreateNetworkContainerRequest that simply stores the static secondary IPs.
func CreateNodeSubnetNCRequest(secondaryIPs []string) *cns.CreateNetworkContainerRequest {
	secondaryIPConfigs := map[string]cns.SecondaryIPConfig{}

	for _, secondaryIP := range secondaryIPs {
		// iterate through all secondary IP addresses add them to the request as secondary IPConfigs.
		secondaryIPConfigs[secondaryIP] = cns.SecondaryIPConfig{
			IPAddress: secondaryIP,
			NCVersion: NodeSubnetNCVersion,
		}
	}

	return &cns.CreateNetworkContainerRequest{
		HostPrimaryIP:        NodeSubnetHostPrimaryIP,
		SecondaryIPConfigs:   secondaryIPConfigs,
		NetworkContainerid:   NodeSubnetNCID,
		NetworkContainerType: cns.Docker,                                 // Using docker as the NC type for NodeSubnet to match Swift. (The NC is not real)
		Version:              strconv.FormatInt(NodeSubnetNCVersion, 10), //nolint:gomnd // it's decimal
		IPConfiguration:      cns.IPConfiguration{},
		NCStatus:             NodeSubnetNCStatus,
	}
}